Update {virtual,override} to follow C++11 style in ppapi.

ppapi/proxy/tcp_socket_resource.h

Index: ppapi/proxy/tcp_socket_resource.h
diff --git a/ppapi/proxy/tcp_socket_resource.h b/ppapi/proxy/tcp_socket_resource.h
index 6ac0929818f2be0d4e26d47a8bfb152585e5f925..449cab696227aa6260f357cfd79c901f8e0ffa0e 100644
--- a/ppapi/proxy/tcp_socket_resource.h
+++ b/ppapi/proxy/tcp_socket_resource.h
@@ -24,39 +24,39 @@ class PPAPI_PROXY_EXPORT TCPSocketResource : public thunk::PPB_TCPSocket_API,
                     PP_Instance instance,
                     TCPSocketVersion version);
 
-  virtual ~TCPSocketResource();
+  ~TCPSocketResource() override;
 
   // PluginResource overrides.
-  virtual thunk::PPB_TCPSocket_API* AsPPB_TCPSocket_API() override;
+  thunk::PPB_TCPSocket_API* AsPPB_TCPSocket_API() override;
 
   // thunk::PPB_TCPSocket_API implementation.
-  virtual int32_t Bind(PP_Resource addr,
-                       scoped_refptr<TrackedCallback> callback) override;
-  virtual int32_t Connect(PP_Resource addr,
-                          scoped_refptr<TrackedCallback> callback) override;
-  virtual PP_Resource GetLocalAddress() override;
-  virtual PP_Resource GetRemoteAddress() override;
-  virtual int32_t Read(char* buffer,
-                       int32_t bytes_to_read,
-                       scoped_refptr<TrackedCallback> callback) override;
-  virtual int32_t Write(const char* buffer,
-                        int32_t bytes_to_write,
-                        scoped_refptr<TrackedCallback> callback) override;
-  virtual int32_t Listen(int32_t backlog,
-                         scoped_refptr<TrackedCallback> callback) override;
-  virtual int32_t Accept(PP_Resource* accepted_tcp_socket,
-                         scoped_refptr<TrackedCallback> callback) override;
-  virtual void Close() override;
-  virtual int32_t SetOption1_1(
+  int32_t Bind(PP_Resource addr,
+               scoped_refptr<TrackedCallback> callback) override;
+  int32_t Connect(PP_Resource addr,
+                  scoped_refptr<TrackedCallback> callback) override;
+  PP_Resource GetLocalAddress() override;
+  PP_Resource GetRemoteAddress() override;
+  int32_t Read(char* buffer,
+               int32_t bytes_to_read,
+               scoped_refptr<TrackedCallback> callback) override;
+  int32_t Write(const char* buffer,
+                int32_t bytes_to_write,
+                scoped_refptr<TrackedCallback> callback) override;
+  int32_t Listen(int32_t backlog,
+                 scoped_refptr<TrackedCallback> callback) override;
+  int32_t Accept(PP_Resource* accepted_tcp_socket,
+                 scoped_refptr<TrackedCallback> callback) override;
+  void Close() override;
+  int32_t SetOption1_1(
       PP_TCPSocket_Option name,
       const PP_Var& value,
       scoped_refptr<TrackedCallback> callback) override;
-  virtual int32_t SetOption(PP_TCPSocket_Option name,
-                            const PP_Var& value,
-                            scoped_refptr<TrackedCallback> callback) override;
+  int32_t SetOption(PP_TCPSocket_Option name,
+                    const PP_Var& value,
+                    scoped_refptr<TrackedCallback> callback) override;
 
   // TCPSocketResourceBase implementation.
-  virtual PP_Resource CreateAcceptedSocket(
+  PP_Resource CreateAcceptedSocket(
       int pending_host_id,
       const PP_NetAddress_Private& local_addr,
       const PP_NetAddress_Private& remote_addr) override;